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The Planning (Hazardous Substances) Regulations 1992

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Regulation 3

SCHEDULE 1HAZARDOUS SUBSTANCES AND CONTROLLED QUANTITIES

PART ATOXIC SUBSTANCES

Column 1Column 2
Hazardous substancesControlled quantities
(in tonnes, unless otherwise stated)

1.  Acetone Cyanohydrin (2-Cyanopropan-2-ol)

200

2.  Acrolein (2-Propenal)

200

3.  Acrylonitrile

  20

4.  Allyl alcohol (2-Propen-l-ol)

200

5.  Allylamine

200

6.  Ammonia (anhydrous or as solution containing more than 50% by weight of ammonia)

100

7.  Arsenic trioxide, Arsenious (III) acid and salts

    1

8.  Arsine (Arsenic hydride)

    1

9.  Bromine

  40

10.  Carbon disulphide

  20

11.  Chlorine

  10

12.  Ethylene dibromide (1,2-Dibromoethane)

  50

13.  Ethyleneimine

  50

14.  Formaldehyde (>90%)

  50

15.  Hydrogen chloride (liquefied gas)

250

16.  Hydrogen cyanide

  20

17.  Hydrogen fluoride

  10

18.  Hydrogen selenide

    1

19.  Hydrogen sulphide

  50

20.  Methyl bromide (Bromoethane)

200

21.  Methyl isocyanate

150 kilograms

22.  Nickel tetracarbonyl

    1

23.  Nitrogen oxides

  50

24.  Oxygen difluoride

    1

25.  Pentaborane

    1

26.  Phosgene

750 kilograms

27.  Phosphine (Hydrogen phosphide)

    1

28.  Propyleneimine

  50

29.  Selenium hexafluoride

    1

30.  Stibine (Antimony hydride)

    1

31.  Sulphur dioxide

  20

32.  Sulphur trioxide (including the sulphur trioxide content in oleum)

  15

33.  Tellurium hexafluoride

    1

34.  2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD)

    1 kilogram

35.  Tetraethyl lead

  50

36.  Tetramethyl lead

  50

PART BHIGHLY REACTIVE SUBSTANCES AND EXPLOSIVE SUBSTANCES

Column 1Column 2
Hazardous substancesControlled quantities
(in tonnes, unless otherwise stated)

37.  Acetylene (Ethyne) when a gas subject to a pressure not exceeding 620 millibars above that of the atmosphere, and not otherwise deemed to be an explosive by virtue of Order in Council No 30(1) as amended by the Compressed Acetylene Order 1947(2), or when contained in a homogeneous porous substance in cylinders in accordance with Order of Secretary of State No 9(3), made under the Explosives Act 1875(4)

    50

38.  Ammonium nitrate and mixtures containing ammonium nitrate where the nitrogen content derived from the ammonium nitrate excceds 28% of the mixture by weight other than—

(i)mixtures to which the Explosives Act 1875 applies;

(ii)ammonium nitrate based products manufactured chemically for use as fertiliser which comply with Council Directive 80/876/EEC(5); or

(iii)compound fertilisers.

  500

39.  Aqueous solutions containing more than 90 parts by weight of ammonium nitrate per 100 parts by weight of solution

  500

40.  Ammonium nitrate based products manufactured chemically for use as fertilisers which comply with Council Directive 80/876/EEC and compound fertilisers where the nitrogen content derived from the ammonium nitrate exceeds 28% of the mixture by weight

1000

41.  2,2-Bis(tert-butylperoxy)butane (>70%)

      5

42.  1,1-Bis(tert-butylperoxy)cyclohexane (>80%)

      5

43.  tert-Butyl peroxyacetate (>70%)

      5

44.  tert-Butyl peroxyisobutyrate (>80%)

      5

45.  tert-Butyl peroxyisopropylcarbonate (>80%)

      5

46.  tert-Butyl peroxymaleate (>80%)

      5

47.  tert-Butyl peroxypivalate (>77%)

      5

48.  Cellulose nitrate other than—

(i)cellulose nitrate to which the Explosives Act 1875 applies; or

(ii)solutions of cellulose nitrate where the nitrogen content of the cellulose nitrate does not exceed 12.3% by weight and the solution contains not more than 55 parts of cellulose nitrate per 100 parts by weight of solution

      50

49.  Dibenzyl peroxydicarbonate (>90%)

      5

50.  Diethyl peroxydicarbonate (>30%)

      5

51.  2,2-Dihydroperoxypropane (>30%)

      5

52.  Di-isobutyryl peroxide (>50%)

      5

53.  Di-n-propyl peroxydicarbonate (>80%)

      5

54.  Di-sec-butyl peroxydicarbonate (>80%)

      5

55.  Ethylene oxide

      5

56.  Ethyl nitrate

    50

57.  3,3,6,6,9,9-Hexamethyl-1,2,4,5-tetroxacyclononane (>75%)

      5

58.  Hydrogen

      2

59.  Liquid Oxygen

  500

60.  Methyl ethyl ketone peroxide (>60%)

      5

61.  Methyl isobutyl ketone peroxide (>60%)

      5

62.  Peracetic acid (>60%)

      5

63.  Propylene oxide

      5

64.  Sodium chlorate

    25

65.  Sulphur dichloride

      1

PART CFLAMMABLE SUBSTANCES (UNLESS SPECIFICALLY NAMED IN PARTS A AND B)

Column 1Column 2
Hazardous substancesControlled quantities
(in tonnes, unless otherwise stated)

66.  Liquefied petroleum gas, such as commercial propane and commer cial butane, and any mixtures thereof, when held at a pressure greater than 1.4 bar absolute

       25

67.  Liquefied petroleum gas, such as commercial propane and commer cial butane, and any mixture thereof, when held under refrigeration at a pressure of 1.4 bar absolute or less

       50

68.  Gas or any mixture of gases which is flammable in air, when held as a gas

       15

69.  A substance or any mixture of substances, which is flammable in air, when held above its boiling point (measured at 1 bar absolute) as a liquid or as a mixture of liquid and gas at a pressure of more than 1.4 bar absolute

       25

70.  A liquefied gas or any mixture of liquefied gases, which is flammable in air and has a boiling point of less than 0°C (measured at 1 bar absolute), when held under refrigeration or cooling at a pressure of 1.4 bar absolute or less

       50

71.  A liquid or any mixture of liquids not included in entries 68 to 70 above, which has a flash point of less than 21°C

10,000

PART DINTERPRETATION

In this Schedule—

(a)references to percentages are references to parts by weight of the substance per 100 parts by weight of the solution;

(b)“compound fertiliser” means a fertiliser containing ammonium nitrate and phosphate or potash;

(c)Part C does not include a substance which is within Part A or Part B;

(d)a substance, or any mixture of substances, shall only be treated as a hazardous substance by virtue of satisfying a description in entry number 37, 66, 67, 68, 69 or 70 when it is in a state in which it satisfies the description;

(e)the controlled quantity of 25 tonnes in entry 69 refers, in the case of a mixture of substances, to the quantity of substances within that mixture held above their boiling point (measured at 1 bar absolute);

(f)the controlled quantity of 50 tonnes in entry 70 refers, in the case of a mixture of substances, to the quantity of substances within that mixture having boiling points below 0°C.

(1)

S.R. & O. 1937/54.

(2)

S.R. & O. 1947/805.

(3)

S.R. & O. 1919/869.

(5)

OJ No L250, 23.9.80, p. 7.

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